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Bonnie Rock, Mukinbudin Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 30° 41' 59'' South , 118° 19' 0'' East
Latitude & Longitude (decimal): -30.70000,118.31667
GeoHash:G#: qds1k75xd
Köppen climate type:BSh : Hot semi-arid (steppe) climate

Located 30 km north of Mukinbudin.

Pb-Zn-Ag deposit, but sub-economic. East trending narrow magnetite-franklinite, and biotite-garnet lenses, associated with hydrothermally altered monzonite-syenite zones, within granite and granodiorite. Ferguson mentions the 'Dam Gossan' covering 200 by 250 metres listing franklinite, willemite, galena, sphalerite, and coronadite. There is also a mineral occurrence as narrow lenses, one kilometre to the north in rock with a long list consisting of magnetite, spessartine, epidote, quartz, augite, hornblende, hematite, grossular, cordierite, calcite, sphene, galena, pyrite, willemite, biotite, zircon, and apatite. He also mentions a south deposit on trend with the main one, but no more information is provided.

Explored by Asarco 1971-1972, Otter/Shell 1976-1979, and West Coast Holdings 1981-1983. The deposit is interesting as some species it contains are uncommon in Western Australia.

The Mindat co-ordinates are approximate.

Mineral List

17 valid minerals.

Rock Types Recorded

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Alphabetical List Tree Diagram

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

2500 - 4000 Ma

ID: 846356
low-Ca granite 74297

Age: Archean (2500 - 4000 Ma)

Description: Syenogranite, alkali-feldspar granite, monzogranite; in places recrystallised; some mixed granite and country rock assemblages; low-Ca granite

Comments: igneous felsic intrusive; synthesis of multiple published descriptions

Lithology: Igneous felsic intrusive

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Neoarchean - Mesoarchean
2500 - 3200 Ma

ID: 3187503
Archean intrusive rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15, 314p.

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